/* * Copyright (C) 2021 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ interface Itf { public String interfaceMethod(); } public class Main implements Itf { public static void main(String[] args) throws Exception { System.loadLibrary(args[0]); ensureJitCompiled(Main.class, "$noinline$invoke"); String result = $noinline$invoke(new Main()); if (!"Main".equals(result)) { throw new Error("Expected Main, got " + result); } // Load SubItf dynamically, to avoid prior verification of this method to load it. Class cls = Class.forName("SubItf"); Itf itf = (Itf) cls.newInstance(); result = $noinline$invoke(itf); if (!"SubItf".equals(result)) { throw new Error("Expected SubItf, got " + result); } } public static String $noinline$invoke(Itf itf) { return itf.interfaceMethod(); } public String interfaceMethod() { return "Main"; } public static native void ensureJitCompiled(Class cls, String methodName); } class SubItf implements Itf { public String interfaceMethod() { return "SubItf"; } }